/** Saves the displayed text. */
private void save() {
final BaseXFileChooser fc =
new BaseXFileChooser(SAVE_AS, gui.gopts.get(GUIOptions.WORKPATH), gui).suffix(IO.XMLSUFFIX);
final IO file = fc.select(Mode.FSAVE);
if (file == null) return;
gui.gopts.set(GUIOptions.WORKPATH, file.path());
gui.cursor(CURSORWAIT, true);
final MainOptions opts = gui.context.options;
final int mh = opts.get(MainOptions.MAXHITS);
opts.set(MainOptions.MAXHITS, -1);
opts.set(MainOptions.CACHEQUERY, false);
try (final PrintOutput out = new PrintOutput(file.toString())) {
if (cmd != null) {
cmd.execute(gui.context, out);
} else if (ns != null) {
ns.serialize(Serializer.get(out));
} else {
final byte[] txt = text.getText();
for (final byte t : txt) if (t < 0 || t > ' ' || ws(t)) out.write(t);
}
} catch (final IOException ex) {
BaseXDialog.error(gui, Util.info(FILE_NOT_SAVED_X, file));
} finally {
opts.set(MainOptions.MAXHITS, mh);
opts.set(MainOptions.CACHEQUERY, true);
gui.cursor(CURSORARROW, true);
}
}
/**
* Handles key down events. Cursor keys are handled by the view the other key events are
* delegated to the currently active tool.
*/
public void keyPressed(KeyEvent e) {
int code = e.getKeyCode();
if ((code == KeyEvent.VK_BACK_SPACE) || (code == KeyEvent.VK_DELETE)) {
if (deleteCmd.isExecutable()) {
deleteCmd.execute();
// deleteCmd.viewSelectionChanged(this);
}
} else if ((code == KeyEvent.VK_DOWN)
|| (code == KeyEvent.VK_UP)
|| (code == KeyEvent.VK_RIGHT)
|| (code == KeyEvent.VK_LEFT)) {
handleCursorKey(code);
} else {
tool().keyDown(e, code);
}
checkDamage();
}
public void actionPerformed(ActionEvent event) {
String command = event.getActionCommand();
if (command.equals("OK")) {
double x = Double.parseDouble(firstNumber.getText());
double y = Double.parseDouble(secondNumber.getText());
calculate(x, y);
} else {
Command.setText(command);
lastCommand = command;
}
}
/**
* Caches the output.
*
* @param out cached output
* @param c command
* @param r result
* @throws QueryException query exception
*/
public void cacheText(final ArrayOutput out, final Command c, final Result r)
throws QueryException {
// cache command or node set
cmd = null;
ns = null;
final int mh = gui.context.options.get(MainOptions.MAXHITS);
boolean parse = false;
if (mh >= 0 && r != null && r.size() >= mh) {
parse = true;
} else if (out.finished()) {
if (r instanceof DBNodes) ns = (DBNodes) r;
else parse = true;
}
// create new command instance
if (parse) cmd = new CommandParser(c.toString(), gui.context).parseSingle();
}
public CalculatorPanel() {
result = 0;
lastCommand = "+";
ActionListener command = new CommandAction();
GridLayout layout = new GridLayout(2, 5);
layout.setHgap(5);
layout.setVgap(5);
panel = new JPanel();
panel.setLayout(layout);
panel.setPreferredSize(new Dimension(400, 200));
// add display
display = new JTextField();
Command = new JTextField("+");
firstNumber = new JTextField();
secondNumber = new JTextField();
JTextField equal = new JTextField("=");
equal.setEnabled(false);
display.setEnabled(false);
Command.setEnabled(false);
panel.add(firstNumber);
panel.add(Command);
panel.add(secondNumber);
panel.add(equal);
panel.add(display);
addButton("+", command);
addButton("-", command);
addButton("*", command);
addButton("/", command);
addButton("OK", command);
add(panel, BorderLayout.CENTER);
}
/**
* This method implements ActionListener, which is a super-interface of Action. When a component
* generates an ActionEvent, it is passed to this method. This method simply passes it on to the
* Command object which is also an ActionListener object
*/
public void actionPerformed(ActionEvent e) {
command.actionPerformed(e);
}
